Ventilator



U. G. MCQUEEN.

VENTILATOR.

APPLICATION FILED APR. 24 I911.

1,324,973. Patented Dec. 16,1919.

, 2 SHEETS-SHEET 1- WITNESSES: INVENTOR ATTORNEY u. e. M cQUEEN.

VEN'TILATOR. APPLICATION FILED APR. 24, 1917.

ZZTQM, o. "a yl eew Br 4 55 5;, v Q. ATTORNEY Patented Dec. 16, Q 5 z 2snsus-sngs Q ULYSSES G. MCQUEEN, OF NEW YORK, N. Y.

VENTILATOR.

Specification of Letters Patent.

Patented Dec. 16, 1919.

Application filed April 24, 1917. Serial 1Y0. 164,201.

To all whom it may concern:

Be it known that I, ULYSSES GRANT Mo- QUEEN, citizen of the UnitedStates, and resident of New York, in the county of New York and State ofNew York, have invented certain new and useful Improvements inVentilators, of which the following is a specification.

This invention relates to ventilators, and particularly to transomstructures, and has for its principal object the provision of means foreffectually establishing communication between a room and an adjoiningventilating or fresh air space, adjacent hallway or the likeand at thesame time obstructing the line of vision through the transom so that itwill be impossible for one to see through the same irrespective of theviewangle which may be selected for such purpose.

A still further object of the invention resides in the provision of aventilating struc structure without requiring any material changesthereto.

Another object of the invention is to provide a transom or otherventilator which will consist of fixed louvers and swinging louvers, andrelating all of said louvers whereby to prevent the swinging louversfrom being adjusted from the outside.

Another object of the invention resides in the provision of a pluralityof swinging louvers, a plurality of mating fixed louvers and mechanismwhich will be arranged in convenient reach of the operator for movingsaid swinging louvers with relation to the fixed louvers. i

In the drawings Figure l is an elevation of a door structure showing theapplication of the ventilator thereto.

Fig. 2 is a vertical section therethrough showing parts broken away.

Fig. 3 is an inner face view of a part of the structure.

Fig. 4 is a horizontal section on the line l i. of Fig. 3.

ments 2. which are arranged in'superposed Fig. 5 is a side view of theoperating mechanism. V

\Vhile the ventilating structure herein designed is intended primarilyto be used in connection with the usual transom opening of an ordinarydoor structure, I, by no means, desire to limit myself to suchapplication. For instance, it may be applied directly to the door or itmay be arranged in the all, or above windows or at any other points in abuilding construction where perfect ventilation canbe establishedsatisfactorily but with an obstruction to the line of vision betweenadjoining rooms, hallways and the like.

The door structure illustrated specifically in Fig. 1, is of theordinary well-known type. In the transom opening a, of the frame 6. ismounted a metallic casing 1, open respectively at its opposite sides. asclearly disclosed in Fig. 2, of the drawings. Angularly disposed withinthe casing and fixed in any suitable well-known manner thereto, arebafile plates or vision obstructing ele 8O relation and spaced from eachother so as to define uniform air passages 3, therebetween. Theseelements are in the form of louvers and each is curved outwardly at C.and then downwardly and inwardly at D. Above the portion C, said louversare formed to provide sockets E, and inverted V shaped viewi obstructingextensions F, the latter being vertically disposed.

Swinging louvers a, are mounted at one side of said fixed louvers andeach is provided with a loop 5, which fits in the socket E. of the nextadjacent fixed louver from which point it is adapted to move in hingefashion. Each of said swinging louvers is curved downwardly andoutwardly at G, and then inwardly and downwardly at H, in the directionof the vertical center of the frame or casing 1. The supported loopedends of the swinging louvers are positioned relatively whereby all, ofsaid swinging louvers are adapted to come in overlapping engagement asshownin full lines in Fig. 2. Through this a rrangement. movement of theswinging louvers toward the fixed louvers will be limited. lVhcn theswinging louvers are opened as shown in dotted lines in Fig. 2.substantially inverted V shaped passages are defined between therespective fixed and pivoted louvers and the air coming into the angularpassages between the fixed louvers is obstructed by the mentionedvertical extensions F, and deflected from its course and discharged intothe passages defined by the swinging louvers where it finally finds itsescape. The extensions are therefore depended upon to perform more thanthe mere function of obstructing the horizontal line of vision throughthe transom incident to their association with said fixed and swinginlouvers.

Tiods 6, are j ournaled in the end walls of the frame 1, and alsoextended through the loops E. These rods are extended at 7, into thecasing structure as shown in Fig. 4, and they are provided withcrank-arms 8, having studs 9. This last named construction is combinedwith an operating rod 10, concealed in the casing structure and thecombination furnishes means whereby the swinging louvers can be adjustedat the will of the operator. Said operating rod is operatively connectedwith a power transmitting mechanism which is shown to consist of a plate11, having a head 12, in which a vertical slot 13, is formed. One wallof said slot is provided with rack-teeth 14, which mesh with a pinion15, on a shaft 16. Said shaft is free to rotate in a sleeve 17, mountedin the door casing. At the front of said casing, the shaft carries ahand knob or the like 18. The sleeve 17 is fixed to aface plate 19, andmounted against said sleeve is one end of a spring 20, the opposite endthereof having engagement with a fixed washer 17*, on the shaft 16,whereby to move th latter in one direction and thus operate to normallyhold the ratchet surface 21, on the shaft 16, in co-acting engagementwith a similar surface 22, on the plate 19. By moving the knob in anoutward direction, it draws the surface 21, away from the surface 22,and the shaft is then free to be rotated and the rod moved to adjust theswinging louvers. The ratchet mechanism described and the rack andpinion l4: and 15, constitute a locking device for positively preventingthe movable louvers from being turned from the outside.

From the foregoing description, it follows that means are provided forreadily establishing communication between the room and adjacent oradjoining hallway or the like. and incident to the peculiar arrangementof the mentioned fixed and movable louvers, substantially sinuous orinverted V shaped ventilating passages are formed in the structure sothat the air currents are, to a very desired extent, deflected from astraight horizontal course in their passage through the transom. Thelouvers all have the office of bafiies and the air will be deflcctcd ina downward direction thereby,

where it will be free to intermix with a lower stratum of inert air atthe inside of the room. Objectionable drafts are thus eliminated and avery fine circulation of air will be established. The hinged louvers areproportioned so that their lower edges come below the plane of theadjacent fixed louvers normally and when opened they never come abovesaid positions and in this manner, all lines of vision through thtransom, are destroyed without interfering with a proper circulation ofair therethrough. When said swinging louvers are closed and brought intooverlapping relation with each other, the joints between the same aresecurely closed and the device rendered dust and draft proof.

The structure is also designed to eliminate the unsightly appearance ofthe common controlling mechanism for operating the transom, as it isobserved, on reference to the accompanying drawing, that all of theactive or moving parts of such mechanism may be concealed within thevertical stile of the door casing and only the small actuating meansexposed. Aside from the described advantages found in the structure thusdesigned, simplicity of operation of the transomis a salient feature andthe ease with which the shutter plates can be opened and closed shouldnot be'lost sight of.

hat is claimed as new is 1. A ventilator embodying a frame open at bothsides, anguarly disposed fixed relatively spaced superposed louversmounted in said frame between the open sides thereof, each of saidlouvershaving a vertically rising terminal socket provided with wallswhich are disposed abqve the lower edge of the next superposed louver toprovide an obstruction in the direct line ofvision between the adjacentlouver, and swinging louvers freely overlapping each other and mountedto swing from said sockets of the fixed louver.

2. A ventilator embodying a frame open at both sides, angularlydispose'dfixed relatlvely spaced superposed louvers mounted 1n saidframe between the open sides thereof,

each of said louvers having a vertically ris- V ing terminal socketprovided with wallswhich are disposed above the lower edg of the nextsuperposed louver to provide an obstruction in the direct line of visionbetween the adjacent louver, swinging louvers freely overlapping eachother and mounted to swing from said sockets of the fixed louver, shaftscarried by the socket supported ends of the swinging louvers, saidshafts having terminals extending to one side of the frame, and anadjusting mechanism connected with all of said terminals.

ULYSSES Gr. MoQUEEN

